TransmitSymptom Probable cause Corrective actionOutput 1. Microphone jack is not plugged in.2. Poor antenna connection.1. Plug jack in.2. Connect antenna securely.In CW, pressing the key does not causetransmission.1. Key jack is not plugged in.2. Poor key contact.1. Plug jack in.2. Clean contact.In USB, LSB, CW, AM, or FM the called RIT causes send and receive frequen- Press RIT switch to exit RIT mode.station does not answer. cy mismatch.Linear amplifier does not key. 1. Internal switch was not moved.2. REMOTE connector is miswired, orhas a poor contact.1. Move the switch as described insection 6-6-8.2. Correct wiring.6-5. ORDERING SPARE PARTSWhen ordering replacement or spare parts for yourequipment, be sure to specify the following:Model and serial number of your transceiver.Schematic number of the part. Printed circuit board6-6. ADJUSTMENTS6-6-1. Cover RemovalRemoving the coversRemove the top cover (4 screws), and the bottomcovers (8 screws) from radio.Cautions:1. Before removing the cover, turn the DC powersupply’s power switch OFF and disconnect thepower cable.2.Do not pinch wiring when opening or closingcases.A. Top Covernumber on which the part is located, part numberand name, if known, and quantity desired. Partnumbers for most replacement parts is contained inthe service manual (available as an option from yourdealer).6-6-2. Remove the Subchassis1. Remove the four screws as shown in the diagram.2. Open in a counterclockwise direction.Cautions:1. Open on a flat surface.2. Be careful not to damage the wiring.3. Do not catch your finger or the cables betweenthe chassis when closing.33